function IS_view_menu(reference)
	{
	MM_showHideLayers('sous_menu_'+reference,'','show');
	init(reference);
	if(navigation==1)
		{
		MM_showHideLayers('navigation','','hide');
		}
	}

function init(name)
	{
	eval('timedlayer'+name+' = setTimeout("",2)');
	//alert(document.getElementById('navigation').style.visibility);
	if(navigation==1 && document.getElementById('navigation').style.visibility=="hidden")
		{
		timedlayer_navigation = setTimeout("",2);
		}
	//eval('clearTimeout(timedlayer'+name+')');
	}

function timedrestore(name)
	{
	if(navigation==1)
		{
		eval('timedlayer'+name+' = setTimeout("MM_showHideLayers(\'sous_menu_'+name+'\',\'\',\'hide\')",300)');
		if(document.getElementById('navigation').style.visibility=="hidden")
			{
			timedlayer_navigation = setTimeout("MM_showHideLayers('navigation','','show')",300);
			}
		}
	else
		{
		eval('timedlayer'+name+'= setTimeout("MM_showHideLayers(\'sous_menu_'+name+'\',\'\',\'hide\')",300)');
		}
	}

function stoptime(name)
	{
	clearTimeout(eval('timedlayer'+name));
	if(navigation==1)
		{
		clearTimeout(timedlayer_navigation);
		//MM_showHideLayers('navigation','','hide');
		}
	}

//fonctions Macromedia
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}